Cita APA

Huber, S. J., Freidenberg, D. L., Paulson, G. W., Shuttleworth, E. C., & Christy, J. A. (1990). The pattern of depressive symptoms varies with progression of Parkinson's disease.

Chicago Style Citation

Huber, S J., D L. Freidenberg, G W. Paulson, E C. Shuttleworth, i J A. Christy. The Pattern of Depressive Symptoms Varies With Progression of Parkinson's Disease. 1990.

Cita MLA

Huber, S J., et al. The Pattern of Depressive Symptoms Varies With Progression of Parkinson's Disease. 1990.